Russian DTS-HD MA, 5.1 / 48 k Hz / 3971 kbps (DTS Core: 5.1 / 48 k Hz / 1509 kbps) |BBC Saint-Petersburg|Russian DTS-HD MA, 5.1 / 48 k Hz / 3966 kbps (DTS Core: 5.1 / 48 k Hz / 1509 kbps) |. Most are narrated by the character of Holmes's friend and biographer Dr.Watson, who usually accompanies Holmes during his investigations and often shares quarters with him at the address of 221B Baker Street, London, where many of the stories begin.An estimate of Holmes's age in "His Last Bow" places his year of birth at 1854; the story, set in August 1914, describes him as sixty years of age.